* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background-color: #210809;
    background-image: url('home1.jpg'); /* 你需要上传一个类似六边形背景图案 */
    background-size: cover;
    color: #fff;
    display: block;
    justify-content: center;
    align-items: flex-start;
    height: 100vh;
    overflow: hidden;
}

.container {
    text-align: center;
    max-width: 700px;
    padding: 20px;
    margin: 0 auto;
}

.header {
    background-color: rgba(31 31 31 / 80%);
    border-radius: 15px;
    padding: 50px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
    margin-top: 150px;
}

.promotion {
    background-color: #ff5722;
    display: inline-block;
    padding: 5px 10px;
    border-radius: 20px;
    margin-bottom: 20px;
    font-size: 1rem;
}

h1 {
    font-size: 3rem;
    background: linear-gradient(45deg, #ff4081, #7c4dff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.description {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.btn {
    text-decoration: none;
    background-color: #4A90E2;
    color: #fff;
    padding: 12px 24px;
    border-radius: 5px;
    font-size: 1.2rem;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #357ABD;
}

.msg {
    background-color: rgba(235, 103, 103, 0.8);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
    max-width: 500px;
    margin: 0 auto; /* 居中显示 */  
}

.foot{
    margin-top: 200px;
}